User's Manual

公司：深圳芯中芯科技有限公司 电话 ：[phone]，FAX: [phone]
地址：深圳市宝安西乡大道德信商务中心 701 公司网址：www.c-chip.com.cn
4
六．Pin function declaration：
1、Pin Configurations
PIN NO.
NAME
TYPE
FUNCTION
1
P30
Digita
l
Line In protect
2
P20
Digital
Programming input/output
3
P00
Digital
Programming input/output
4
P04
Digital
Programming input/output
5
SPKR
Audio
Right channel audio input
6
AOHPM
Audio
The audio output end
7
SPKL
Audio
Left channel audio input
8
VDDAO
Power
LDO OUTPUT 3.3V
9
GND
Power
GND
10
NC
NC
11
NC
NC
12
NC
NC
13
AIP
Audio
Aux-R-IN
14
AIL
Audio
Aux-L-IN
15
RES_IN
Digital
RESET
16
GND1
Power
GND
17
ADAP_IN
Digital
Adapt input
18
BAT_IN
Power
VBAT+
19
SYS_PW
Power
SYSTEM POWER output
20
SK1/P35
Digital
Programming input/output
21
BK_OUT
Power
1.8v OUTPUT
22
GND2
Power
GND
23
MFB
Digital
Key long according to boot
used/impending
24
LED1
Sink
Light 1 control end
25
LED2
Sink
Light 2 control end
26
PLAY
Digital
paly/pause
27
FWD
Digital
NEXT
28
REW
Digital
UP
29
TX
Digital
UART TX
30
RX
Digital
UART RX